GEI offers a team of specialists – located across the U.S. – with expertise in surface and subsurface drainage, as well as in flood hydrology and control facilities. Our team applies advanced hydraulic and hydrologic models that account for historic rainfall and runoff events, maximum probable event predictions and multiple reservoir operational considerations. These considerations not only include flood control but recreation, power generation, endangered species and habitat restoration, water supply and wild and scenic river issues. We provide clients with solutions that integrate yesterday’s history with today’s technology.

dams - GEI


GEI offers almost unparalleled experience and expertise in dam engineering and dam safety. We have completed thousands of successful projects over the past decades. Dam engineering remains one of GEI’s most prominent business practices nationwide. Having successfully worked on dams in nearly all 50 states, GEI is fully knowledgeable of dam safety regulations, codes, policies and guidelines published and administered by the federal and state governments.


GEI has investigated, designed and rehabilitated some of the most critical levee infrastructure from the Eastern Seaboard to New Orleans to California. GEI has strong in-house experience and knowledge of USACE and FEMA guidelines. Our flood control experts are well versed in Title 44 of the Code of Federal Regulations (CFR), Section 65.10, and have been instrumental in several USACE and FEMA accreditation and certification efforts.

seawalls, dikes, and other structures - GEI

Seawalls, Dikes & Other Structures

GEI has extensive experience in the analysis and design of waterfront structures, including bulkheads, seawalls, piles and other heavy structures. GEI has carried out geotechnical design studies, environmental investigations and construction monitoring on waterfront structures for A/E firms, contractors, government agencies and industrial clients.

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